Apongwa Richard Chungong

Technical Skills & Strengths

Oracle Database: RAC, Data Guard, RMAN oracle fail Safe Expert, Exadata.

Microsoft:MS Windows Servers 2003 / 2008 / 2012 and MS Office 2010/2013 -Excel, PowerPoint, Outlook, Visio Pro. 2013

Teamwork:Easily integrate and encourage teamwork by contributing, assisting, and respecting colleagues and customers; thereby building lasting work relationships.

Communication: Can communicate clearly and professionally in English/French using written and verbal media. Possess listening, observing, negotiating, numerical, and presentation skills.

Customer Service:Can demonstrate strong customer service skills (assisting, advising, and training) with the ability to consistently exceed expectations.

Supported clients using ODA (Oracle Database Appliance)

Exadata used to maintain database instances, database healthchecks, hardware maintenance and storage server.

Educational Qualifications

May 1993 - BSc Accounting & Business Management – University of District Columbia (Completed)

February1999 - Oracle 10g New Features

May 1996 - CPA

May 1998 - Certified Oracle Professional 9i

Professional Experience

May 2018 - June 2022

Accenture Services (Mauritius) Ltd

Sr. Oracle DBA consultant

SetupData Guard configuration between Primary and Standby databases for clients for High Availability, Data protection, Software upgrade and Backup & Disaster Recovery.

Monitoringsystem stability and performancefor RAC critical systems for remote clients.

Installation and configuring of Oracle Databases in a RAC environment.

Good knowledge of oracle AWR to resolve performance issues.

Perform patch installing in a RAC and single environment

Strong Database Management skills, including RMAN backup and recovery proceduresinvolving Exadata administration.

Strong experience with Oracle Enterprise Manager.

Perform test switchover and failover operations using Data Guard between Primary and Standby systems.

Monitoring all SAP systems for availability 24X7 from Development, QAS and Prodfor remote clients in France.

Perform quarterly database health checks for remote clients in France using Exadata.

Performed oracle replication from oracle to other heterogonous Operatingsystems using Golden Gate.

Administer the SAP database with Database Administrator (plan and perform database upgrades, apply database maintenance, design and maintain physical database layout, perform database reorganizations, design and implement backup and restore strategy, maintain database security, administer database performance, manage database storage, database problem determination and resolution, etc.).

Strong organization and time management skills. Ability to communicate effectively (both written and oral) using clear, concise, and understandable language

Skilled at learning new concepts quickly while working well under pressure, highly organized and dedicated with a positive attitude.

Feb 2014 - Sept 2017

Axxend Corporation

Sr. Oracle/SAP Consultant

Implement and maintain the multiple SAP instances that comprise the SAP environment (development, Testing, and production). Experience setting up users and security on Enterprise Portal and creating users/user groups through UME for SAP NetWeaver 7.0.

Maintain the integrity of the SAP environment by managing the SAP Correction and Transport System (CTS) to ensure all configuration and development objects are promoted properly.

Introduce technical changes into the environment using a structured approach that minimizes risk and achieves high reliability, availability and performance of each SAP instance.

Design and implement an optimal SAP configuration to maximize system performance and availability.

Analyze system performance and adjust various tuning parameters to maintain optimum utilization including application server load balancing, operation modes, background jobs, and spool management. Manage SAP users, authorizations, and profiles.

Interact with SAP application teams to analyze proposed changes to SAP technical configuration settings to optimize overall performance and Daily system administration.

Configure and manage the SAP printing subsystem for all SAP instances.

Maintain SAP performance by planning and executing SAP tuning strategies. Monitor all SAP systems (work processes, users, system logs, short dumps, locks, developer traces, system traces, disk space, etc.).

Administer the SAP database with Database Administrator (plan and perform database upgrades, apply database maintenance, design and maintain physical database layout, perform database reorganizations, design and implement backup and restore strategy, maintain database security, administer database performance, manage database storage, database problem determination and resolution, etc.).

Completed successful Client copies, system copies, support pack upgrades, kernel upgrades of R/3, BW systems and carried out post-upgrade tasks. Participate in the planning and implementation of SAP PORTAL system upgrades.

Apply and migrate SAP maintenance (hot packages and kernel upgrades) through all systems using a structured methodology.

Develop and maintain system documentation for all SAP instances and interfaces.

Extensive experience in Requirement gathering, Design, Development, and Maintenance of SAP applications security Interfaced extensively with clients to gain insight and develop solutions to meet customer business needs across the entire SAP landscape.

Coordinating, analyzing, designing, implementing and administrating IT solutions.

March 2009- December2014

Shulam IT Consulting Ltd, Cameroon

Sr. Oracle DBA/SAP Basis Consultant

Installed, maintained and optimized documentation of all database and applicationssecurity systems and communication links.

Served as lead database architect in the design team.

Identified,recommended and prioritized new database and applications newfeatures in conjunction with business leaders and department managers.

Increased database and Application security and cost efficiency by 10%.

Complete database and application requirements analysis including the evaluation ofsystems specifications,capacity planning, database growth for clients.

Developed and communicated databases and applications usage,security policies andstandards to all users.

Established policies and procedures for accessing databases and applications inconjunction with data retrieval.

RAC expert, Oracle E-Business, Oracle Data Guard, Golden Gate.

Administering Backups and Recovery Plansinvolving Exadata.

Software installation / Add-on Packages.

Responding to Monitoring Alerts.

Perform Client Copied both local and Remote from DEV,QAS and to Prod.

User administration / Authorization.

Performance Optimization.

Troubleshooting operational issues.

2005 - 2009

Cerner Corporation

Sr. Oracle Advanced Technology Consultant

Team lead in Oracle 10g RAC and ASM Implementation, Backupsand Recoveryinvolving Exadata administration, Performance Tuning, and End-user Training.

Installation, Upgrading and Configuration of Oracle DB in both Single and High Availability Environments.

Performing DB platform migration –ex: VMS >AIX and HPUX >AIX.

Authorization Management.

Transport & Software logistics.

SAP Monitoring Services.

2003 - 2005

RC Uniforms LLC

Technical Manager -Development / Production DBA

RAC installation, Upgrade and Configured Oracle version (8i,9i, 10g) databases.

Data Modelling using ERWIN, DB Design and Creation. Memory [SGA] Tuningand removing row chaining within DB for better performance.

Performed data extraction and modification from various data sources into Oracle.

Used Oracle Internet Directory to leverage the scalability, high availability and security features of the Oracle database.

Worked closely with application development team to formulate database designs and implementation.

Troubleshot and resolved production and development issues regarding the database.

1999 – 2003

UMB Bank, NA

Sr. Oracle Application DBA

Lead DBA for millennium system. Implemented Full database development lifecycle, including design, development, deployment, integration, test, and maintenance for the millennium system.

Installed, configured and upgraded Oracle server software and related products.

Evaluated Oracle features and Oracle related products.

Established and maintained sound backup and recovery policies and procedures.

Implemented and maintained database security (creates and maintains users, roles and assign privileges to programmers).

Performed tuning and performance monitoring for both production and development data.

Performed growth and capacity planning of production and development databases.

Responsible for the day-to-day monitoring, tuning and maintenance of SAP and Data Warehouse databases.

1997 - 1999

Sprint Telecommunication

Application / Production DBA

Responsible for the day-to-day monitoring of; six production, seven development, and nine testing databases.

Managed users and resources by creating users, granting privileges setting the maximum number sessions users can open concurrently.

Database migration and complete refresh of testing databases once a month.

Applied Database Change Control Requests (Decor’s) from development all the way to production.

Do migration from the development databases to testing databases. Generate DDL Scripts for these databases using ERWIN software.

Create tables, tablespaces, indexes, synonyms, and database links sequences, create new users and grant them different roles based on their functionality etc.

Take logical backup of the testing databases by taking full exports three times a week.

1995 - 1997

American Management System Inc.

Junior Oracle DB Administrator

Scheduled walk-through with developers regarding changes that had to be done in the database.

Database capacity planning.

Implemented security guidelines in production to make sure no one apart from the DBA could create objects in the database.

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